<template>
  <div>
    <template v-for="item in menuList">
      <el-submenu :disabled="item.disabled" :index="item.id+''" :key="item.id" v-if="item.children.length>0">
        <template slot="title">
          <i :class="item.icon"></i>
          <span slot="title">{{ item.menuName }}</span>
        </template>
        <menu-tree :menuList="item.children"></menu-tree>
      </el-submenu>
      <el-menu-item
        v-else
        :disabled="item.disabled"
        :index="item.url+''"
        :route="item.url+''"
        :key="item.id"
        @click="savePath(item.url)"
        style="padding-left: 50px">
        <i :class="item.icon"></i>
        <span slot="title">{{ item.menuName }}</span>
      </el-menu-item>
    </template>
  </div>
</template>

<script>
  export default {
    name: "menu-tree",
    props: ['menuList'],
    methods: {
      //保存激活路径
      savePath(path) {
        window.sessionStorage.setItem("activePath", path);
        // 调用父类Main.vue的activePath属性
        this.activePath = path;
      },
    }
  }
</script>
<div>
  <h1>我是sb</h1>
</div>
<style scoped>
  /*<!--侧边栏设置-->*/
  .el-menu--collapse span,
  .el-menu--collapse i.el-submenu__icon-arrow {
    height: 0;
    width: 0;
    overflow: hidden;
    visibility: hidden;
    display: inline-block;
  }
</style>
